Grandstream UCM6304A IP PBX (Audio Only)

The Grandstream UCM6304A IP PBX (Audio Only) Is a Powerful Unified Communication System Designed to Simplify and Streamline Voice-Centric Business Communication. With Support for Up to 1500 Users and 200 Concurrent Calls, the UCM6304A Offers Advanced Voice Conferencing, Instant Messaging, Web Meetings, and Seamless Integration With Desktop, Mobile, and SIP Endpoints. Built on the Robust Asterisk Platform and Featuring UCM RemoteConnect and GDMS Cloud Management, It Combines On-Premise Control With Remote Flexibility for Scalable, Secure Deployment in Any Business Environment.

Product Features

High Performance
The UCM6304A Supports Up to 1500 SIP Users and 200 Concurrent Calls. It Includes Built-In Audio/Web Conferencing, Instant Messaging, and Access via the Wave App, Delivering an All-in-One Voice Communication Platform.

PoE-Enabled Connectivity
Three Gigabit Auto-Sensing RJ45 Ports With Integrated PoE+ Support NAT Routing and Simplify Installation, Provisioning, and Remote Management of Connected Devices.

Highly Flexible Communication Platform
Offers Instant Messaging, Audio Conferencing, and Web Meetings Accessible From Any Device—Desktops, Mobile Phones, or SIP Endpoints—Empowering Teams to Stay Connected Anywhere.

Flexible Deployment, Easy Operation And Simple Maintenance
Supports Both Centralized and Distributed Networks. The Graphical Web Interface Makes System Configuration Simple, Even for Non-Technical Users.

Excellent Audio Quality
HD Voice Is Delivered Through Acoustic Echo Canceling, Adaptive Jitter Buffer, Comfort Noise Generation, and Voice Activity Detection for Clear, Uninterrupted Conversations.

Easy Cloud Management With GDMS
Integrated With Grandstream Device Management System (GDMS) and UCM RemoteConnect, the UCM6304A Enables Secure NAT Traversal, Real-Time Monitoring, Remote Configuration, Firmware Updates, and Third-Party Integration Through API.

Product Specifications

• User Support: Up to 1500 SIP Users
• Concurrent Calls: Up to 200
• Built-In Features: Audio/Web Conferencing, Instant Messaging (IM), Wave App Access
• Wave App Compatibility: Windows, macOS, Android, iOS, Web Browsers
• Third-Party Integration: CRM, PMS via Open API
• Security: Secure Boot, Unique Certificates, Random Default Passwords
• Network Ports: 3 x Gigabit RJ45 Ports With PoE+
• NAT Router: Integrated With NAT Routing Support
• Remote Access: UCM RemoteConnect for Secure Cloud Access
• High Availability: Supports Hot Standby Redundancy and Local Dual Deployment
• Audio Codec Support: Full-Band Opus With Up to 50% Jitter Resilience
• Cloud Management: Fully Compatible With Grandstream GDMS
• Operating System: Based on Asterisk Version 16